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4

Changes in Ownership

CIENA CORP Filed 2010-02-16 Acc 0001177261-10-000002

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4 Changes in Ownership , xslF345X03/edgardoc.xml

Around this filing

2010-02-26 4 Changes in Ownership
2010-02-16 SC 13G/A Amended Statement of Ownership
2010-02-16 4 Changes in Ownership
2010-02-16 SC 13G/A Amended Statement of Ownership
2010-02-16 SC 13G/A Amended Statement of Ownership
2010-02-12 4 Changes in Ownership

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